UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rFB9WxDWHzIwuHbe4HMIfq79fSenuNM6R8W+xei6DHA=' 
WHERE 
  key_id = '7e8319702eadb40fcf1f181bc4d504ae887bb37229936f6c7b8c8a348b1e2250' 
  AND (
    token = 'rFB9WxDWHzIwuHbe4HMIfq79fSenuNM6R8W+xei6DHA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )